Tropical Oasis Sleep-A-Weigh Plus Description: Liquid Collagen Contains No Stimulants Maximum Absorption 30 Day Supply A measuring tape is the best way to track your progress on this product. Users may lose inches in the waist, hips and stomach areas while noticing enhanced definition of their muscles. Some users may experience only minimal weight-loss due to the fact that muscle is much denser and therefore weighs more than fat. Individual results may vary. It is recommended to take this product for 90 days depending upon diet and individual body chemistry. This product does not contain caffeine or other stimulants, such as ephedrine, or Ma Huang. Free Of Caffeine or other stimulants. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.